Home / 2,551,100.32-3,520,523.32-1,389,542.99

Finding the Fourth Proportional to 2,551,100.32, 3,520,523.32 and 1,389,542.99

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Solution

The fourth proportional to 2,551,100.32, 3,520,523.32 and 1,389,542.99 is: 1,917,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,100.32 : 3,520,523.32 = 1,389,542.99 : x
  2. Step 2: Convert to fraction form
    2,551,100.32/3,520,523.32 = 1,389,542.99/x
  3. Step 3: Cross multiply
    2,551,100.32x = 3,520,523.32 × 1,389,542.99
  4. Step 4: Simplify right side
    2,551,100.32x = 4,891,918,479,361.05
  5. Step 5: Solve for x
    x = 4,891,918,479,361.05/2,551,100.32
  6. Step 6: Final answer
    x = 1,917,571.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.